M5Paper: Light Sleep の使い方

プログラム

light_sleep.ino

// ---------------------------------------------------------------
//	light_sleep.ino
//
//					Jul/10/2022
// ---------------------------------------------------------------
#include <M5EPD.h>

M5EPD_Canvas canvas_home(&M5.EPD);

int count = 0;
// ---------------------------------------------------------------
void setup()
{
	M5.begin();
	M5.TP.SetRotation(90);
	M5.EPD.SetRotation(90);

	M5.EPD.Clear(true);

	Serial.println("*** setup *** aaa");

	canvas_home.createCanvas(540,960);
	canvas_home.setTextSize(5);

	int ypos[]= {30,110,190,270,350,430,510};
	int xx = 50;
	
	canvas_home.drawString("Light", xx, ypos[0]);
	canvas_home.drawString("Sleep", xx, ypos[1]); 
	canvas_home.pushCanvas(0,0,UPDATE_MODE_A2);
	delay(2000);

	canvas_home.drawString("Good Afternoon", xx, ypos[2]);
	canvas_home.drawString("Good Evening", xx, ypos[3]);
	canvas_home.drawString("Good Night", xx, ypos[4]);
	canvas_home.drawString("Jul/10/2022", xx, ypos[5]);
	canvas_home.drawString("PM 20:21", xx, ypos[6]);
	canvas_home.pushCanvas(0,0,UPDATE_MODE_A2);

	delay(1000);

	Serial.println("*** setup *** ccc ***");
	delay(1000);

	Serial.println("*** setup *** end");
}

// ---------------------------------------------------------------
void loop()
{
	Serial.println("*** loop *** aaa ***");
	Serial.flush();  // Serialをflushさせておく

	char buf[30];
	sprintf(buf, " %d ",count);
	const int xpos = 270;
	const int ypos = 630;
	
	canvas_home.setTextSize(5);
	canvas_home.setTextDatum(TC_DATUM);
	canvas_home.drawString(buf, xpos, ypos);
	canvas_home.drawString(" Sleeping ", xpos, 800);
	canvas_home.pushCanvas(0,0,UPDATE_MODE_A2);

	esp_sleep_enable_ext0_wakeup(GPIO_NUM_38, LOW);
	Serial.println("Going to sleep now");
	Serial.flush();

	esp_light_sleep_start();

	canvas_home.drawString(" Working ", xpos, 800);
	canvas_home.pushCanvas(0,0,UPDATE_MODE_A2);
	Serial.println("*** loop *** ccc");
	Serial.printf("count = %d\r\n", count);

	count++;
	delay(2000);
}

// ---------------------------------------------------------------

Arduino IDE